With Israel and Iran exchanging direct fire, Trump pulling out of the Iran nuclear deal and John Bolton promoting regime change in Tehran, Inder Comar offers four reasons why the US may be close to attacking the Islamic Republic.

The time is right to revive the concept of “universal jurisdiction” — the idea that a person, whatever their nationality, can be called to account before the court of any civilized country for grave international crimes, argues Inder Comar.